About this story

Our stories about grain entrapments were jointly reported by the Center for Public Integrity and NPR News as part of Hard Labor, an occasional series on health, safety and economic threats to U.S. workers. For more from NPR: Buried in Grain.

The Kansas City Star contributed a story about grain elevator explosions.

Hear more about grain entrapments Tuesday, March 26, on NPR's "All Things Considered" and Wednesday, March 27, on NPR's "Morning Edition."